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Diffstat (limited to 'arch/x86/kernel/cpu/microcode/amd_early.c')
-rw-r--r--arch/x86/kernel/cpu/microcode/amd_early.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/microcode/amd_early.c b/arch/x86/kernel/cpu/microcode/amd_early.c
index abb90097582f..a54a47b9d8ea 100644
--- a/arch/x86/kernel/cpu/microcode/amd_early.c
+++ b/arch/x86/kernel/cpu/microcode/amd_early.c
@@ -196,7 +196,7 @@ static void apply_ucode_in_initrd(void *ucode, size_t size, bool save_patch)
return;
}
- if (check_current_patch_level(&rev))
+ if (check_current_patch_level(&rev, true))
return;
while (left > 0) {
@@ -330,7 +330,10 @@ void load_ucode_amd_ap(void)
if (!container)
return;
- if (check_current_patch_level(&rev))
+ /*
+ * 64-bit runs with paging enabled, thus early==false.
+ */
+ if (check_current_patch_level(&rev, false))
return;
eax = cpuid_eax(0x00000001);
@@ -422,7 +425,11 @@ void reload_ucode_amd(void)
struct microcode_amd *mc;
u32 rev;
- if (check_current_patch_level(&rev))
+ /*
+ * early==false because this is a syscore ->resume path and by
+ * that time paging is long enabled.
+ */
+ if (check_current_patch_level(&rev, false))
return;
mc = (struct microcode_amd *)amd_ucode_patch;